5th Class Computers Science Logo Basics Draining Figures Using LOGO

     Draining Figures Using LOGO

As discussed before, you can use LOGO to draw different interesting shapes. As you type out the commands in the Text window, you can see your figure form in the Graphic window. Some examples are given below:  

   Straight Vertical Line

? FD 100 <Enter> 

   Straight Horizontal Line

? RT 90 <Enter>

? FD 100 <Enter>

     Triangle

? Home <Enter>

? FD 40 RT 90 FD 50 HOME <Engter>

    Rectangle

? FD 100 RT 90 FD 200 RT 90 FD 100 RT 90 FD 200 <Enter> 

    Steps

? FD 30 RT 90 FD 30 LT 90 FD 30 RT 90 FD 30      

    Square

? FD 100 RT 90 FD 100 RT 90 FD 100 RT 90 FD 100      

 Which of the following figures will be formed when the given command is typed at the LOGO prompt?

? FD 500 RT 90 FD 50 RT 90 FD 50 RT 90 FD 50

(A) Circle                                                             

(B) Triangle

(C) Square                                          

(D) Oval

(E) None of these

Answer: (C)

Explanation

Correct option:

(C) Square: The instructions given to the turtle in LOGO

? FD 500 RT 90 FD 50 RT 90 FD 50 RT 90 FD 50 <Enter>

will form a square.

Incorrect Options:                              

(A) Circle: This option is incorrect

(B) Triangle: This option is incorrect

(D) Oval: This option is incorrect                   

(E) None of these: This option is invalid    

 Which of the following commands is/are used to move the turtle towards the right?

(A) FD                                                  

(B) RT

(C) LT                                                   

(D) HT

(E) None of these  

Answer: (b)

Explanation

Correct option:

(B) RT : Is used to move the turtle towards the right.

Incorrect Options:

(A) FD : This command is used to move forward

(C) LT : This command is used to move to the left

(D) HT: This command is used to hide the turtle

(E) None of these: This is an invalid option